# To7 (add) vs String Theory Game

The clearest difference is ads: String Theory Game at none against To7 (add)'s shown. String Theory Game also leads on iOS requirement (10.0 vs 12.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | To7 (add) | String Theory Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/string-theory-game/id6479223958/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Every 2 days |
| Monetization | — | Free |
| Size | 10 MB | 43 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KILLERBIT LLC](https://appshunter.io/developer/1043995091) | [Andrew Viesta](https://appshunter.io/developer/1735241726) |

## What reviewers say

### To7 (add)

[App page](https://appshunter.io/ios/app/to7-add/id6449268466)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### String Theory Game

[App page](https://appshunter.io/ios/app/string-theory-game/id6479223958)

A vibrant puzzle game where you recreate patterns by drawing loops between pegs. Strategically place and overlap loops to match the target design with minimal moves. Offers handcrafted puzzles, daily challenges, and endless free play.

**Highlights:** Pattern matching puzzles, Loop drawing mechanics, Color-based loop filling, 60+ handcrafted puzzles, Daily challenges, Free play modes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is To7 (add) free?

To7 (add) is free to download, with no in-app purchases.

### Is String Theory Game free?

String Theory Game is free to download, with no in-app purchases.

### Do To7 (add) or String Theory Game have ads?

To7 (add) shows ads; String Theory Game does not.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*